<template>
  <div class="index">
    <div class="container">
      <!-- 轮播图 start -->
      <div class="swiper-box">
        <!-- 首页轮播图菜单 start -->
        <div class="nav-menu">
          <ul class="menu-wrap">
            <li class="menu-item">
              <a href="javascript:;">手机 电话卡</a>
              <div class="children">
                <ul v-for="(item, index) in menuList" :key="index">
                  <li v-for="(sub, j) in item" :key="j">
                    <a :href="sub?'/#/product/'+sub.id : ''">
                      <img :src="sub?sub.img : '/imgs/item-box-1.png'" alt="">
                      {{ sub? sub.name : '小米17' }}
                    </a>
                  </li>
                </ul>
              </div>
            </li>
            <li class="menu-item">
              <a href="javascript:;">电视 盒子</a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">笔记本 平板</a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">家电 插线板</a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">出行 穿戴</a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">智能 路由器</a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">电源 配件</a>
            </li>
            <li class="menu-item">
              <a href="javascript:;">生活 箱包</a>
            </li>
          </ul>
        </div>
        <!-- 首页轮播图菜单 end -->
        <swiper :options="swiperOption">
          <swiper-slide v-for="(item, index) in slideList" :key="index">
            <a :href="'/#/product/'"><img :src="item.img" alt=""></a>
          </swiper-slide>
          <!-- Optional controls -->
          <div class="swiper-pagination"  slot="pagination"></div>
          <div class="swiper-button-prev" slot="button-prev"></div>
          <div class="swiper-button-next" slot="button-next"></div>
        </swiper>
      </div>
      <!-- 轮播图 end -->

      <!-- 广告位 start -->
      <div class="ads-box">
        <a :href="'/#/product/'" v-for="(item,index) in adsList" :key="index">
          <img v-lazy="item.img" alt="">
        </a>
      </div>
      <!-- 广告位 end -->

      <div class="banner">
        <a href="/#/product/30">
          <img v-lazy="'/imgs/banner-1.png'" alt="">
        </a>
      </div>
    </div>

    <!-- 手机商品 start -->
      <div class="product-box">
        <div class="container">
          <h2>手机</h2>
          <div class="wrapper">
            <div class="banner-left">
              <a href="/#/product/35">
                <img v-lazy="'/imgs/mix-alpha.jpg'" alt="">
              </a>
            </div>
            <div class="list-box">
              <div class="list" v-for="(arr, index) in phoneList" :key="index">
                <div class="item" v-for="(item, j) in arr" :key="j">
                  <span :class="{'new-pro':j%2===0}">新品</span>
                  <div class="item-img">
                    <img v-lazy="item.mainImage" alt="">
                  </div>
                  <div class="item-info">
                    <h3>{{ item.name }}</h3>
                    <p>{{ item.subtitle }}</p>
                    <p class="price" @click="addCart(item.id)">{{ item.price | currency }}</p>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
        
      </div>
      <!-- 手机商品 end -->
    <ServiceBar></ServiceBar>

    <!-- 这个modal弹框组件没有用ui库，是自己实现的，后面要好好看看。 -->
    <Modal 
      title="提示" 
      sureText="查看购物车" 
      btnType="1" 
      modalType="middle" 
      :showModal="showModal" 
      @submit="goToCart" 
      @cancel="showModal = false"
      >
      <template v-slot:body>
        <p>商品添加成功！</p>
      </template>
    </Modal>
  </div>
</template>
<script>
  import Modal from './../components/Modal.vue'
  import ServiceBar from '../components/ServiceBar.vue'; 
  import { Swiper, SwiperSlide, directive} from 'vue-awesome-swiper'
  import 'swiper/css/swiper.css'

  export default{
    name:'index',
    components:{
      ServiceBar,
      Swiper,
      SwiperSlide,
      Modal,
    },
    directives: {
      swiper: directive
    },
    data() {
      return {
        swiperOption: {
          autoplay: true,
          loop: true,
          effect: 'coverflow',// fade slide coverflow coverflow3d cube flip cube3d
          coverflowEffect: {
            rotate: 30,
            stretch: 10,
            depth: 60,
            modifier: 2,
            slideShadows : true
          },
          pagination: {
            el: '.swiper-pagination',
            clickable :true,
          },
          navigation: {
            nextEl: '.swiper-button-next',
            prevEl: '.swiper-button-prev',
          },
        },
        slideList: [
          {
            id: '42',
            img: '/imgs/slider/slide-1.jpg'
          },
          {
            id: '45',
            img: '/imgs/slider/slide-2.jpg'
          },
          {
            id: '',
            img: '/imgs/slider/slide-3.jpg'
          },
          {
            id: '',
            img: '/imgs/slider/slide-4.jpg'
          },
          {
            id: '',
            img: '/imgs/slider/slide-5.jpg'
          }
        ],
        menuList: [
          [
            {
              id: 30,
              img: '/imgs/item-box-1.png',
              name: '小米17',
            },
            {
              id: 31,
              img: '/imgs/item-box-2.png',
              name: '小米17 Pro',
            },
            {
              id: 32,
              img: '/imgs/item-box-3.jpg',
              name: '小米17 Pro Max',
            },
            {
              id: 33,
              img: '/imgs/item-box-4.jpg',
              name: '小米17 Ultra',
            }
          ],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]
        ],
        adsList: [
          {
            id: 33,
            img: '/imgs/ads/ads-1.png'
          },
          {
            id: 48,
            img: '/imgs/ads/ads-2.jpg'
          },
          {
            id: 45,
            img: '/imgs/ads/ads-3.png'
          },
          {
            id: 47,
            img: '/imgs/ads/ads-4.jpg'
          },
        ],
        phoneList: [],
        showModal: false,
      }
    },
    mounted() {
      this.init();
    },
    filters: {
      currency(val) {
        if(!val){
          return '0.00'
        }
        return '￥' + val.toFixed(2) + '元'
      }
    },
    methods: {
      init() {
        this.axios.get('/products', {
          params: {
            categoryId: 100012,
            pageSize: 14
          }
        }).then ((res) => {
            res.list = res.list.slice(6, 14)
            this.phoneList = [ res.list.slice(0, 4), res.list.slice(4, 8) ]
          })
      },
      addCart(id) {
        this.axios.post('/carts', {
          productId: id,
          selected: true
        }).then((res) => {
          this.showModal = true;
          this.$store.dispatch('saveCartCount',res.cartTotalQuantity);
        }).catch(() => {
          this.showModal = true
        })
      },
      goToCart() {
        this.$router.push('/cart')
      }
    }
  }
</script>

<style lang="scss">
@import "../assets/scss/mixin.scss";

.index {
  .swiper-box {
    .nav-menu {
      position: absolute;
      width: 264px;
      height: 451px;
      z-index: 9;
      padding: 26px 0;
      // background-color: #55585A;
      box-sizing: border-box;
      background-color: #55585a78;
      .menu-wrap {
        .menu-item {
          height: 50px;
          line-height: 50px;
          a {
            font-size: 16px;
            color: #fff;
            padding-left: 30px;
            position: relative;
            display: block;
            &:after {
              position: absolute;
              right: 30px;
              top: 17.5px;
              content: '';
              @include bgImg(10px, 15px, '/imgs/icon-arrow.png')
            }
          }
          &:hover {
            background-color: #ff6600;
            .children {
              display: block;
            }
          }
          .children {
            display: none;
            width: 962px;
            height: 451px;
            background-color: #fff;
            position: absolute;
            top: 0;
            // right: 0;
            left: 264px;
            border: 1px solid #E5E5E5;
            ul {
              display: flex;
              justify-content: space-between;
              height: 75px;
              li {
                height: 75px;
                line-height: 75px;
                // width: 241px;
                flex: 1;
                padding-left: 23px;
              }
              a {
                color: #333;
                font-size: 14px;
              }
              img {
                width: 42px;
                height: 35px;
                vertical-align: middle;
                margin-right: 15px;
              }
            }
          }
        }
      }
    }
    .swiper-container {
      height: 451px;
      .swiper-button-prev {
        left: 274px;
      }
      img {
        width: 100%;
        height: 100%;
      }
    }
  }

  .ads-box {
    @include flex();
    margin-top: 14px;
    margin-bottom: 31px;
    a {
      width: 296px;
      height: 167px;
    }
  }

  .banner {
    margin-bottom: 50px;
  }

  .product-box {
    background-color: #f5f5f5;
    padding: 30px 0 50px;
    h2 {
      font-size: 22px;
      height: 21px;
      line-height: 21px;
      color: #333;
      margin-bottom: 20px;
    }
    .wrapper {
      display: flex;
      .banner-left {
        margin-right: 16px;
        img {
          width: 224px;
          height: 619px;
        }
      }
      .list-box {
        .list {
          @include flex();
          width: 986px;
          margin-bottom: 14px;
          &:last-child {
            margin-bottom: 0;
          }
          .item {
            width: 236px;
            height: 302px;
            background-color: #fff;
            text-align: center;
            span {
              display: inline-block;
              width: 67px;
              height: 24px;
              font-size: 14px;
              line-height: 24px;
              color: #fff;
              &.new-pro{
                background-color: #7ECF68;
              }
              &.kill-pro {
                background-color: #E82626;
              }
            }
            .item-img {
              img {
                height: 195px;
                width: 100%;
              }
            }
            .item-info {
              h3 {
                font-size: 14px;
                color: #333;
                line-height: 14px;
                font-weight: bold;
              }
              p {
                color: #999;
                line-height: 13px;
                margin: 6px auto 13px;
              }
              .price {
                color: #f20a0a;
                font-size: 14px;
                font-weight: bold;
                cursor: pointer;
                &:after {
                  @include bgImg(22px, 22px, '/imgs/icon-cart-hover.png');
                  content: "";
                  margin-left: 5px;
                  vertical-align: middle;
                }
              }
            }
          }
        }
      }
    }
  }
}
</style>